Gaya APA

HOUPIS, C, H., LAMONT, G, B. (1992). DIGITAL CONTROL SYSTEMS (2). SINGAPORE: Mc Graw Hill.

Gaya MLA

HOUPIS, CONSTANTINE, H.., LAMONT, GARY, B.. "DIGITAL CONTROL SYSTEMS". 2 SINGAPORE: Mc Graw Hill, 1992. Text Book Mesin.